1 // SPDX-License-Identifier: GPL-2.0
2 /*
3 * Copyright (c) 2012 - 2018 Microchip Technology Inc., and its subsidiaries.
4 * All rights reserved.
5 */
6
7 #include "wilc_wlan_if.h"
8 #include "wilc_wlan.h"
9 #include "wilc_wlan_cfg.h"
10 #include "coreconfigurator.h"
11
12 enum cfg_cmd_type {
13 CFG_BYTE_CMD = 0,
14 CFG_HWORD_CMD = 1,
15 CFG_WORD_CMD = 2,
16 CFG_STR_CMD = 3,
17 CFG_BIN_CMD = 4
18 };
19
20 struct wilc_mac_cfg {
21 int mac_status;
22 u8 mac_address[7];
23 u8 ip_address[5];
24 u8 bssid[7];
25 u8 ssid[34];
26 u8 firmware_version[129];
27 u8 supp_rate[24];
28 u8 wep_key[28];
29 u8 i_psk[66];
30 u8 hw_product_version[33];
31 u8 phyversion[17];
32 u8 supp_username[21];
33 u8 supp_password[64];
34 u8 assoc_req[256];
35 u8 assoc_rsp[256];
36 u8 firmware_info[8];
37 u8 scan_result[256];
38 u8 scan_result1[256];
39 };
40
41 static struct wilc_mac_cfg g_mac;
42
43 static struct wilc_cfg_byte g_cfg_byte[] = {
44 {WID_BSS_TYPE, 0},
45 {WID_CURRENT_TX_RATE, 0},
46 {WID_CURRENT_CHANNEL, 0},
47 {WID_PREAMBLE, 0},
48 {WID_11G_OPERATING_MODE, 0},
49 {WID_STATUS, 0},
50 {WID_SCAN_TYPE, 0},
51 {WID_KEY_ID, 0},
52 {WID_QOS_ENABLE, 0},
53 {WID_POWER_MANAGEMENT, 0},
54 {WID_11I_MODE, 0},
55 {WID_AUTH_TYPE, 0},
56 {WID_SITE_SURVEY, 0},
57 {WID_LISTEN_INTERVAL, 0},
58 {WID_DTIM_PERIOD, 0},
59 {WID_ACK_POLICY, 0},
60 {WID_BCAST_SSID, 0},
61 {WID_REKEY_POLICY, 0},
62 {WID_SHORT_SLOT_ALLOWED, 0},
63 {WID_START_SCAN_REQ, 0},
64 {WID_RSSI, 0},
65 {WID_LINKSPEED, 0},
66 {WID_AUTO_RX_SENSITIVITY, 0},
67 {WID_DATAFLOW_CONTROL, 0},
68 {WID_SCAN_FILTER, 0},
69 {WID_11N_PROT_MECH, 0},
70 {WID_11N_ERP_PROT_TYPE, 0},
71 {WID_11N_ENABLE, 0},
72 {WID_11N_OPERATING_MODE, 0},
73 {WID_11N_OBSS_NONHT_DETECTION, 0},
74 {WID_11N_HT_PROT_TYPE, 0},
75 {WID_11N_RIFS_PROT_ENABLE, 0},
76 {WID_11N_SMPS_MODE, 0},
77 {WID_11N_CURRENT_TX_MCS, 0},
78 {WID_11N_SHORT_GI_ENABLE, 0},
79 {WID_RIFS_MODE, 0},
80 {WID_TX_ABORT_CONFIG, 0},
81 {WID_11N_IMMEDIATE_BA_ENABLED, 0},
82 {WID_11N_TXOP_PROT_DISABLE, 0},
83 {WID_NIL, 0}
84 };
85
86 static struct wilc_cfg_hword g_cfg_hword[] = {
87 {WID_LINK_LOSS_THRESHOLD, 0},
88 {WID_RTS_THRESHOLD, 0},
89 {WID_FRAG_THRESHOLD, 0},
90 {WID_SHORT_RETRY_LIMIT, 0},
91 {WID_LONG_RETRY_LIMIT, 0},
92 {WID_BEACON_INTERVAL, 0},
93 {WID_RX_SENSE, 0},
94 {WID_ACTIVE_SCAN_TIME, 0},
95 {WID_PASSIVE_SCAN_TIME, 0},
96 {WID_SITE_SURVEY_SCAN_TIME, 0},
97 {WID_JOIN_START_TIMEOUT, 0},
98 {WID_AUTH_TIMEOUT, 0},
99 {WID_ASOC_TIMEOUT, 0},
100 {WID_11I_PROTOCOL_TIMEOUT, 0},
101 {WID_EAPOL_RESPONSE_TIMEOUT, 0},
102 {WID_11N_SIG_QUAL_VAL, 0},
103 {WID_CCA_THRESHOLD, 0},
104 {WID_NIL, 0}
105 };
106
107 static struct wilc_cfg_word g_cfg_word[] = {
108 {WID_FAILED_COUNT, 0},
109 {WID_RETRY_COUNT, 0},
110 {WID_MULTIPLE_RETRY_COUNT, 0},
111 {WID_FRAME_DUPLICATE_COUNT, 0},
112 {WID_ACK_FAILURE_COUNT, 0},
113 {WID_RECEIVED_FRAGMENT_COUNT, 0},
114 {WID_MCAST_RECEIVED_FRAME_COUNT, 0},
115 {WID_FCS_ERROR_COUNT, 0},
116 {WID_SUCCESS_FRAME_COUNT, 0},
117 {WID_TX_FRAGMENT_COUNT, 0},
118 {WID_TX_MULTICAST_FRAME_COUNT, 0},
119 {WID_RTS_SUCCESS_COUNT, 0},
120 {WID_RTS_FAILURE_COUNT, 0},
121 {WID_WEP_UNDECRYPTABLE_COUNT, 0},
122 {WID_REKEY_PERIOD, 0},
123 {WID_REKEY_PACKET_COUNT, 0},
124 {WID_HW_RX_COUNT, 0},
125 {WID_GET_INACTIVE_TIME, 0},
126 {WID_NIL, 0}
127
128 };
129
130 static struct wilc_cfg_str g_cfg_str[] = {
131 {WID_SSID, g_mac.ssid}, /* 33 + 1 bytes */
132 {WID_FIRMWARE_VERSION, g_mac.firmware_version},
133 {WID_OPERATIONAL_RATE_SET, g_mac.supp_rate},
134 {WID_BSSID, g_mac.bssid}, /* 6 bytes */
135 {WID_WEP_KEY_VALUE, g_mac.wep_key}, /* 27 bytes */
136 {WID_11I_PSK, g_mac.i_psk}, /* 65 bytes */
137 {WID_HARDWARE_VERSION, g_mac.hw_product_version},
138 {WID_MAC_ADDR, g_mac.mac_address},
139 {WID_PHY_VERSION, g_mac.phyversion},
140 {WID_SUPP_USERNAME, g_mac.supp_username},
141 {WID_SUPP_PASSWORD, g_mac.supp_password},
142 {WID_SITE_SURVEY_RESULTS, g_mac.scan_result},
143 {WID_SITE_SURVEY_RESULTS, g_mac.scan_result1},
144 {WID_ASSOC_REQ_INFO, g_mac.assoc_req},
145 {WID_ASSOC_RES_INFO, g_mac.assoc_rsp},
146 {WID_FIRMWARE_INFO, g_mac.firmware_version},
147 {WID_IP_ADDRESS, g_mac.ip_address},
148 {WID_NIL, NULL}
149 };
150
151 /********************************************
152 *
153 * Configuration Functions
154 *
155 ********************************************/
156
wilc_wlan_cfg_set_byte(u8 * frame,u32 offset,u16 id,u8 val8)157 static int wilc_wlan_cfg_set_byte(u8 *frame, u32 offset, u16 id, u8 val8)
158 {
159 u8 *buf;
160
161 if ((offset + 4) >= MAX_CFG_FRAME_SIZE)
162 return 0;
163
164 buf = &frame[offset];
165
166 buf[0] = (u8)id;
167 buf[1] = (u8)(id >> 8);
168 buf[2] = 1;
169 buf[3] = 0;
170 buf[4] = val8;
171 return 5;
172 }
173
wilc_wlan_cfg_set_hword(u8 * frame,u32 offset,u16 id,u16 val16)174 static int wilc_wlan_cfg_set_hword(u8 *frame, u32 offset, u16 id, u16 val16)
175 {
176 u8 *buf;
177
178 if ((offset + 5) >= MAX_CFG_FRAME_SIZE)
179 return 0;
180
181 buf = &frame[offset];
182
183 buf[0] = (u8)id;
184 buf[1] = (u8)(id >> 8);
185 buf[2] = 2;
186 buf[3] = 0;
187 buf[4] = (u8)val16;
188 buf[5] = (u8)(val16 >> 8);
189
190 return 6;
191 }
192
wilc_wlan_cfg_set_word(u8 * frame,u32 offset,u16 id,u32 val32)193 static int wilc_wlan_cfg_set_word(u8 *frame, u32 offset, u16 id, u32 val32)
194 {
195 u8 *buf;
196
197 if ((offset + 7) >= MAX_CFG_FRAME_SIZE)
198 return 0;
199
200 buf = &frame[offset];
201
202 buf[0] = (u8)id;
203 buf[1] = (u8)(id >> 8);
204 buf[2] = 4;
205 buf[3] = 0;
206 buf[4] = (u8)val32;
207 buf[5] = (u8)(val32 >> 8);
208 buf[6] = (u8)(val32 >> 16);
209 buf[7] = (u8)(val32 >> 24);
210
211 return 8;
212 }
213
wilc_wlan_cfg_set_str(u8 * frame,u32 offset,u16 id,u8 * str,u32 size)214 static int wilc_wlan_cfg_set_str(u8 *frame, u32 offset, u16 id, u8 *str,
215 u32 size)
216 {
217 u8 *buf;
218
219 if ((offset + size + 4) >= MAX_CFG_FRAME_SIZE)
220 return 0;
221
222 buf = &frame[offset];
223
224 buf[0] = (u8)id;
225 buf[1] = (u8)(id >> 8);
226 buf[2] = (u8)size;
227 buf[3] = (u8)(size >> 8);
228
229 if (str && size != 0)
230 memcpy(&buf[4], str, size);
231
232 return (size + 4);
233 }
234
wilc_wlan_cfg_set_bin(u8 * frame,u32 offset,u16 id,u8 * b,u32 size)235 static int wilc_wlan_cfg_set_bin(u8 *frame, u32 offset, u16 id, u8 *b, u32 size)
236 {
237 u8 *buf;
238 u32 i;
239 u8 checksum = 0;
240
241 if ((offset + size + 5) >= MAX_CFG_FRAME_SIZE)
242 return 0;
243
244 buf = &frame[offset];
245 buf[0] = (u8)id;
246 buf[1] = (u8)(id >> 8);
247 buf[2] = (u8)size;
248 buf[3] = (u8)(size >> 8);
249
250 if ((b) && size != 0) {
251 memcpy(&buf[4], b, size);
252 for (i = 0; i < size; i++)
253 checksum += buf[i + 4];
254 }
255
256 buf[size + 4] = checksum;
257
258 return (size + 5);
259 }
260
261 /********************************************
262 *
263 * Configuration Response Functions
264 *
265 ********************************************/
266
267 #define GET_WID_TYPE(wid) (((wid) >> 12) & 0x7)
wilc_wlan_parse_response_frame(u8 * info,int size)268 static void wilc_wlan_parse_response_frame(u8 *info, int size)
269 {
270 u16 wid;
271 u32 len = 0, i = 0;
272
273 while (size > 0) {
274 i = 0;
275 wid = info[0] | (info[1] << 8);
276
277 switch (GET_WID_TYPE(wid)) {
278 case WID_CHAR:
279 do {
280 if (g_cfg_byte[i].id == WID_NIL)
281 break;
282
283 if (g_cfg_byte[i].id == wid) {
284 g_cfg_byte[i].val = info[4];
285 break;
286 }
287 i++;
288 } while (1);
289 len = 3;
290 break;
291
292 case WID_SHORT:
293 do {
294 if (g_cfg_hword[i].id == WID_NIL)
295 break;
296
297 if (g_cfg_hword[i].id == wid) {
298 g_cfg_hword[i].val = (info[4] |
299 (info[5] << 8));
300 break;
301 }
302 i++;
303 } while (1);
304 len = 4;
305 break;
306
307 case WID_INT:
308 do {
309 if (g_cfg_word[i].id == WID_NIL)
310 break;
311
312 if (g_cfg_word[i].id == wid) {
313 g_cfg_word[i].val = (info[4] |
314 (info[5] << 8) |
315 (info[6] << 16) |
316 (info[7] << 24));
317 break;
318 }
319 i++;
320 } while (1);
321 len = 6;
322 break;
323
324 case WID_STR:
325 do {
326 if (g_cfg_str[i].id == WID_NIL)
327 break;
328
329 if (g_cfg_str[i].id == wid) {
330 if (wid == WID_SITE_SURVEY_RESULTS) {
331 static int toggle;
332
333 i += toggle;
334 toggle ^= 1;
335 }
336 memcpy(g_cfg_str[i].str, &info[2],
337 (info[2] + 2));
338 break;
339 }
340 i++;
341 } while (1);
342 len = 2 + info[2];
343 break;
344
345 default:
346 break;
347 }
348 size -= (2 + len);
349 info += (2 + len);
350 }
351 }
352
wilc_wlan_parse_info_frame(u8 * info,int size)353 static int wilc_wlan_parse_info_frame(u8 *info, int size)
354 {
355 struct wilc_mac_cfg *pd = &g_mac;
356 u32 wid, len;
357 int type = WILC_CFG_RSP_STATUS;
358
359 wid = info[0] | (info[1] << 8);
360
361 len = info[2];
362
363 if (len == 1 && wid == WID_STATUS) {
364 pd->mac_status = info[3];
365 type = WILC_CFG_RSP_STATUS;
366 }
367
368 return type;
369 }
370
371 /********************************************
372 *
373 * Configuration Exported Functions
374 *
375 ********************************************/
376
wilc_wlan_cfg_set_wid(u8 * frame,u32 offset,u16 id,u8 * buf,int size)377 int wilc_wlan_cfg_set_wid(u8 *frame, u32 offset, u16 id, u8 *buf, int size)
378 {
379 u8 type = (id >> 12) & 0xf;
380 int ret = 0;
381
382 switch (type) {
383 case CFG_BYTE_CMD:
384 if (size >= 1)
385 ret = wilc_wlan_cfg_set_byte(frame, offset, id, *buf);
386 break;
387
388 case CFG_HWORD_CMD:
389 if (size >= 2)
390 ret = wilc_wlan_cfg_set_hword(frame, offset, id,
391 *((u16 *)buf));
392 break;
393
394 case CFG_WORD_CMD:
395 if (size >= 4)
396 ret = wilc_wlan_cfg_set_word(frame, offset, id,
397 *((u32 *)buf));
398 break;
399
400 case CFG_STR_CMD:
401 ret = wilc_wlan_cfg_set_str(frame, offset, id, buf, size);
402 break;
403
404 case CFG_BIN_CMD:
405 ret = wilc_wlan_cfg_set_bin(frame, offset, id, buf, size);
406 break;
407 }
408
409 return ret;
410 }
411
wilc_wlan_cfg_get_wid(u8 * frame,u32 offset,u16 id)412 int wilc_wlan_cfg_get_wid(u8 *frame, u32 offset, u16 id)
413 {
414 u8 *buf;
415
416 if ((offset + 2) >= MAX_CFG_FRAME_SIZE)
417 return 0;
418
419 buf = &frame[offset];
420
421 buf[0] = (u8)id;
422 buf[1] = (u8)(id >> 8);
423
424 return 2;
425 }
426
wilc_wlan_cfg_get_wid_value(u16 wid,u8 * buffer,u32 buffer_size)427 int wilc_wlan_cfg_get_wid_value(u16 wid, u8 *buffer, u32 buffer_size)
428 {
429 u32 type = (wid >> 12) & 0xf;
430 int i, ret = 0;
431
432 if (wid == WID_STATUS) {
433 *((u32 *)buffer) = g_mac.mac_status;
434 return 4;
435 }
436
437 i = 0;
438 if (type == CFG_BYTE_CMD) {
439 do {
440 if (g_cfg_byte[i].id == WID_NIL)
441 break;
442
443 if (g_cfg_byte[i].id == wid) {
444 memcpy(buffer, &g_cfg_byte[i].val, 1);
445 ret = 1;
446 break;
447 }
448 i++;
449 } while (1);
450 } else if (type == CFG_HWORD_CMD) {
451 do {
452 if (g_cfg_hword[i].id == WID_NIL)
453 break;
454
455 if (g_cfg_hword[i].id == wid) {
456 memcpy(buffer, &g_cfg_hword[i].val, 2);
457 ret = 2;
458 break;
459 }
460 i++;
461 } while (1);
462 } else if (type == CFG_WORD_CMD) {
463 do {
464 if (g_cfg_word[i].id == WID_NIL)
465 break;
466
467 if (g_cfg_word[i].id == wid) {
468 memcpy(buffer, &g_cfg_word[i].val, 4);
469 ret = 4;
470 break;
471 }
472 i++;
473 } while (1);
474 } else if (type == CFG_STR_CMD) {
475 do {
476 u32 id = g_cfg_str[i].id;
477
478 if (id == WID_NIL)
479 break;
480
481 if (id == wid) {
482 u32 size = g_cfg_str[i].str[0] |
483 (g_cfg_str[i].str[1] << 8);
484
485 if (buffer_size >= size) {
486 if (id == WID_SITE_SURVEY_RESULTS) {
487 static int toggle;
488
489 i += toggle;
490 toggle ^= 1;
491 }
492 memcpy(buffer, &g_cfg_str[i].str[2],
493 size);
494 ret = size;
495 }
496 break;
497 }
498 i++;
499 } while (1);
500 }
501
502 return ret;
503 }
504
wilc_wlan_cfg_indicate_rx(struct wilc * wilc,u8 * frame,int size,struct wilc_cfg_rsp * rsp)505 int wilc_wlan_cfg_indicate_rx(struct wilc *wilc, u8 *frame, int size,
506 struct wilc_cfg_rsp *rsp)
507 {
508 int ret = 1;
509 u8 msg_type;
510 u8 msg_id;
511
512 msg_type = frame[0];
513 msg_id = frame[1]; /* seq no */
514 frame += 4;
515 size -= 4;
516
517 /*
518 * The valid types of response messages are
519 * 'R' (Response),
520 * 'I' (Information), and
521 * 'N' (Network Information)
522 */
523
524 switch (msg_type) {
525 case 'R':
526 wilc_wlan_parse_response_frame(frame, size);
527 rsp->type = WILC_CFG_RSP;
528 rsp->seq_no = msg_id;
529 break;
530
531 case 'I':
532 rsp->type = wilc_wlan_parse_info_frame(frame, size);
533 rsp->seq_no = msg_id;
534 /*call host interface info parse as well*/
535 wilc_gnrl_async_info_received(wilc, frame - 4, size + 4);
536 break;
537
538 case 'N':
539 wilc_network_info_received(wilc, frame - 4, size + 4);
540 rsp->type = 0;
541 break;
542
543 case 'S':
544 wilc_scan_complete_received(wilc, frame - 4, size + 4);
545 break;
546
547 default:
548 rsp->type = 0;
549 rsp->seq_no = msg_id;
550 ret = 0;
551 break;
552 }
553
554 return ret;
555 }
556
wilc_wlan_cfg_init(void)557 int wilc_wlan_cfg_init(void)
558 {
559 memset((void *)&g_mac, 0, sizeof(struct wilc_mac_cfg));
560 return 1;
561 }
562
